package com.tgb.manager;

import java.util.List;

import com.tgb.entity.Teacher;

public interface TeacherManager {
    public Teacher getTeacher(String id);  
    
    public List<Teacher> getAllTeacher();  
      
    public void addTeacher(Teacher teacher);  
      
    public boolean delTeacher(String id);  
      
    public boolean updateTeacher(Teacher teacher); 
}
